Frequency scanning non-diffraction beam by metasurface
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4974210
Abstract: A reflective metasurface that can form a non-diffraction beam is proposed in this article. This metasurface is designed based on the artificial admittance modulation surface, and the metallic square patch on the grounded dielectric substrate… read more here.
Keywords: diffraction beam; non diffraction; metasurface; frequency scanning ... See more keywords
Simulation of Self-focusing of Femtosecond Laser Pulses with Normal Dispersion in Air Using the Diffraction-Beam Tube Approach
Sign Up to like & getrecommendations! Published in 2019 at "Atmospheric and Oceanic Optics"
DOI: 10.1134/s1024856019050075
Abstract: Based on numerical simulation and qualitative analysis, the effect of the group velocity dispersion on the formation of light structures during self-focusing and filamentation of femtosecond Ti:sapphire laser pulses in air is studied. The main… read more here.
Keywords: filamentation; laser pulses; dispersion; diffraction beam ... See more keywords